Finding the Fourth Proportional to 187,726.74, 259,024.07 and 107,180.48
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Solution
The fourth proportional to 187,726.74, 259,024.07 and 107,180.48 is: 147,886.88
Step by Step Solution
- Step 1: Write the proportion equation
187,726.74 : 259,024.07 = 107,180.48 : x - Step 2: Convert to fraction form
187,726.74/259,024.07 = 107,180.48/x - Step 3: Cross multiply
187,726.74x = 259,024.07 × 107,180.48 - Step 4: Simplify right side
187,726.74x = 27,762,322,323.13 - Step 5: Solve for x
x = 27,762,322,323.13/187,726.74 - Step 6: Final answer
x = 147,886.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.